Document image clean-up and binarization

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3305, Issue , 1998, Pages 263-273

  Wu, Victor ^a   Manmatha, R ^a  

^a University of Massachusetts Amherst   (United States)

Author keywords

Background removal; Binarization; OCR; Text extraction

Indexed keywords

ALGORITHMS; COMPUTATIONAL METHODS; FEATURE EXTRACTION; LOW PASS FILTERS; OPTICAL CHARACTER RECOGNITION; SIGNAL FILTERING AND PREDICTION; TEXT PROCESSING;

BINARIZATION; DOCUMENT ANALYSIS TECHNOLOGY; DOCUMENT IMAGE CLEAN-UP; INTENSITY HISTOGRAM; RECOGNITION RATE;

IMAGE ANALYSIS;

EID: 0032224567     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.304638     Document Type: Conference Paper

References (18)

1. Omnidocument technologies
2. Historical review of OCR research and development
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6. Histogram modification for threshold selection
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11. A new method for gray-level picture thresholding using the entropy of the histogram
12. Entropic thresholding: A new approach
13. Moment-preserving thresholding: A new approach
14. Document image binarization based on texture features
15. Document analysis system and techniques
16. Extraction of binary character/graphics images from grayscale document images
17. Evaluation of binarization methods for document images
18. Finding text in images